| Infante Alonso of Spain | |
|---|---|
 Detail of the portrait of the infante and his brothers Ferdinand and Margaret by Bartolomé González in the Kunsthistorisches Museum, Vienna | |
| Born | 22 September 1611 Madrid |
| Died | 16 September 1612 (aged 11 months 25 days) Madrid |
| Burial | |
| Father | Philip III of Spain |
| Mother | Margaret of Austria |
Alonso of Spain (22 September 1611 – 16 September 1612) was an infante of Spain, who died in childhood.[1]
- ^ Robles do Campo, Carlos (2005). "Los infantes de España en los siglos XVI y XVII" (PDF). Anales de la Real Academia Matritense de Heráldica y Genealogía. 9: 383–414. ISSN 1133-1240. Archived from the original (PDF) on 28 February 2019. Retrieved 27 December 2020.